 | Name | The Unanswerable Problems |
| Title | Vulpes Zerda Chapter: Act I | |
| Secondary Title | Tighnari | |
| Required AR | 40 | |
| Sub | Story Quests |
Quests
| Icon | Name | Description | Objectives | Shown | Rewards |
 | The Start of Contamination | You haven't gone to see Katheryne in a while. Why don't you go have a look? | •Talk to Katheryne in Sumeru •Ask Tighnari about the situation •Buy Vasanti Grass from a traveling merchant •Gather information nearby •Gather information nearby •Gather information nearby •Discuss what to do with the traveling merchant •Go to the location where the robbery took place •Follow the Sumpter Beast •Feed the Sumpter Beast •Continue following the Sumpter Beast •Observe your surroundings for anything unusual •Defeat the mechanical crab •Try to communicate with the Mechanical Crab •Give the mechanical components back to the merchant •Go back to Avidya Forest to heal Yara | ✅ |  600 38100 4 8 |
 | Into the Hinterland | With the mechanical crab as your guide, it is time to head to the contaminated region. | •Look for the mechanical crab •Set off for the contaminated region •Head toward the depths of the contaminated region •Install a Purification Device •Defeat the attracted monsters •Catch up with the Mechanical Crab •Defeat the nearby mechanical monsters •Talk to the trapped person •Look for a spot to set up a tent •Prepare to make camp •Go into the tent to rest •Talk to Tighnari •Retrieve the pest-repelling devices •Prepare to set off •Go to the depths of the contaminated region •Defeat the monsters in your path | ✅ | 6003810048 |
 | Heart of the Machine | The mechanical crab has stopped at a certain point. The source of the contamination seems to be within. | •Check the unusual area •Enter the contamination's source •Defeat the mechanical monsters that lurk here •Examine the strange device •Follow the mechanical crab and continue your search •Check on the person who has collapsed •Collect documents nearby (0/3) •Collect documents nearby (1/3) •Collect documents nearby (2/3) •Stop the Ley Line Extractor •Talk to Tighnari •Return to the lab •Check on the Ley Line Extractor •Leave the secret lab | ✅ | 6003810048 |
 | Garden Memories | Now that you've left the lab, you should inform Katheryne that the contamination issue has been resolved. | •Talk to Katheryne in Sumeru •Wait till 8:00 – 12:00 the next day •Meet Tighnari at Pardis Dhyai | ✅ | 225 6013925 5 63 |
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Rewards
| Icon | Name | Rarity | Family | Amount |
| Adventure EXP | 3 | Currency | x 2025 |
| Mora | 3 | Currency | x 128225 |
| Hero's Wit | 4 | Character Ascension Item, Character EXP Item | x 12 |
| Mystic Enhancement Ore | 3 | Crafted Item, Weapon Ascension Item, Weapon EXP Item | x 27 |
| Primogem | 5 | Currency | x 60 |
| Guide to Admonition | 3 | Talent Item, Talent Book, Crafted Item, Ingredient, Alchemy Ingredient | x 5 |
| Adventurer's Experience | 3 | Character Ascension Item, Character EXP Item | x 6 |
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